CN106764052A - A kind of water applies method pipeline laying facility - Google Patents
A kind of water applies method pipeline laying facility Download PDFInfo
- Publication number
- CN106764052A CN106764052A CN201611226220.1A CN201611226220A CN106764052A CN 106764052 A CN106764052 A CN 106764052A CN 201611226220 A CN201611226220 A CN 201611226220A CN 106764052 A CN106764052 A CN 106764052A
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- Prior art keywords
- pipeline
- water
- casing
- laying
- sleeve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000007667 floating Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000007142 ring opening reaction Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
Abstract
The present invention relates to pipeline laying technical field, there is provided a kind of water applies method pipeline laying facility.The water applies method pipeline laying facility, including installed in the first waterwall of the entrance point port of described sleeve pipe；The poling hole for penetrating pipeline is provided with first waterwall.When the water being applied into method pipeline laying facility being used for pipeline laying, after the poling hole on the first waterwall is penetrated wait the pipe end for laying, can be to injecting liquid in liquid containing chamber.Now, the pipeline entered into sleeve pipe is subject to buoyancy straight up, so that the active force needed during pipeline laying reduces, to reduce requirement and the complex operation degree to laying apparatus, the security and laying speed of construction are improved, and ensures pipeline laying in place.Further, since support member drives pipeline sleeve pipe again after installing in advance, therefore can prevent support member from damaging deformation；Meanwhile, the frictional resistance that pipeline is subject under buoyancy reduces, such that it is able to the outer anti-corrosion of effective protective conduit.
Description
Technical Field
The invention relates to the technical field of pipeline laying, and provides a pipeline laying facility adopting a water laying method.
Background
In the construction of municipal supporting pipeline engineering-reclaimed water engineering of the east road of Cui lake (Beijing dense diversion canal north side road-Cui lake south road) of the Hai lake region, a reclaimed water pipeline passes through the north Qing road, plans a landscape river channel and plans a Dazhai canal section. Wherein, the reclaimed water pipelines corresponding to the north road clearance, the landscape river planning and the great village canal planning respectively have the lengths of 133.5m, 97.5m and 65.5 m. Because the construction site does not have open grooving conditions, the prior art proposes that the sleeve is installed in place by adopting a jacking method, and then a regenerated water pipeline is laid in the sleeve.
Referring to fig. 1, the casing is a reinforced concrete casing with a diameter of 3000 mm. Two steel recycled water pipelines with the diameter of 1200mm and the diameter of 400mm need to be laid in the sleeve. And as can be seen from figure 1, a mounting platform for the rails is cast into the casing, the rails are pre-embedded on the mounting platform, and steel brackets are provided on the rails for securing the pipeline within the casing.
Wherein, the laying process of the regenerated water pipeline comprises the following steps: c20 concrete pouring and rail pre-embedding are completed in the sleeve, a steel bracket is installed on the rail, the regenerated water pipeline is placed on a platform at the same height of the steel bracket, and the regenerated water pipeline is laid to a receiving end from the inlet end of the sleeve by adopting jacking construction of a jack so that the pipeline is located on the steel bracket.
Taking a regenerated water pipeline with the diameter of 1200mm as an example, the standard length of the pipeline is 12m, and the self weight of a single pipeline is 8T together with internal and external corrosion prevention. Because the gravity is large, in the prior art, in order to facilitate laying, the friction resistance is reduced by brushing grease between the steel bracket and the embedded track, but the friction resistance can only relieve partial pressure of laying, and the following problems still exist in the concrete laying engineering:
firstly, the jacking force required when the self weight of the pipeline is larger, so that the requirement on laying equipment is higher, the operation is complicated and the safety is poor;
secondly, the laying speed is low;
thirdly, the outer anti-corrosion structure of the pipeline is easily damaged, and a steel bracket for supporting the pipeline is deformed;
fourthly, along with the increase of the laying length, the frictional resistance is continuously increased, even the situation that the jacking force is insufficient and the laying is not in place occurs.
In addition, the above problems are also present not only in the reclaimed water pipeline but also in the laying process of other pipelines.
Disclosure of Invention
Technical problem to be solved
The purpose of the invention is: the utility model provides a water application method pipeline laying facility, solves the problem that has had higher demand to laying equipment, complex operation, the security is poor, lays slowly, damages the structure and lays not in place among the prior art.
(II) technical scheme
In order to achieve the object, the present invention provides a hydrographic pipe-laying installation installed in a working pit, comprising a casing and a support member fixed inside the casing for fixing a pipe, further comprising a first water dam installed at an inlet port of the casing, and forming a liquid receiving chamber between the first water dam and the casing; and the first water retaining wall is provided with a pipe penetrating hole for penetrating a pipeline.
Preferably, the receiving end port of the sleeve is provided with a second water retaining wall, so that the liquid accommodating chamber is formed among the second water retaining wall, the sleeve and the first water retaining wall.
Preferably, the first water retaining wall is provided with an overflow hole for adjusting the liquid level in the casing pipe, so that the pipe section is kept in a suspended state or a floating state after entering the casing pipe;
or,
when a second water retaining wall is arranged at the port of the receiving end of the sleeve, an overflow hole for adjusting the liquid level in the sleeve is formed in the second water retaining wall, so that the pipe section is kept in a suspended state or a floating state after entering the sleeve.
Preferably, a mounting platform is arranged in the sleeve, and the support is fixed on the mounting platform.
Preferably, the support is a steel bracket, the mounting platform is provided with a rail coaxial with the sleeve, and a plurality of the steel brackets are distributed at intervals along the length direction of the rail.
Preferably, the first water retaining wall is mounted on the mounting platform.
Preferably, a lantern ring is installed at the pipe penetrating hole.
Preferably, a water stop ring is arranged in the sleeve ring.
Preferably, the lantern ring opening is circumferentially provided with a plurality of limiting pieces, so that a pipeline penetrating into the pipe penetrating hole is concentric with the lantern ring and the water stop ring.
Preferably, the limiting member is a fixed wheel fixed on the first water retaining wall.
(III) advantageous effects
The water application method pipeline laying facility is installed in a working pit, comprises a sleeve and a support piece fixed in the sleeve and used for fixing a pipeline, and further comprises a first water retaining wall installed at an inlet port of the sleeve, and a liquid accommodating chamber is formed between the first water retaining wall and the sleeve; and the first water retaining wall is provided with a pipe penetrating hole for penetrating a pipeline. When the water-application pipeline laying facility is used for laying pipelines, after the end part of the pipeline to be laid penetrates through the through hole on the first water retaining wall, liquid can be injected into the liquid accommodating chamber. After liquid is injected, the pipeline entering the sleeve is subjected to vertical upward buoyancy, so that acting force required in the pipeline laying process is reduced, the requirement on laying equipment and the operation complexity are reduced, the construction safety and the laying speed are improved, and the pipeline laying is ensured to be in place. In addition, the support member is pre-installed and then drives the pipeline into the sleeve, so that the support member can be prevented from being damaged and deformed; meanwhile, the frictional resistance of the pipeline is reduced under the action of buoyancy, so that the pipeline can be effectively protected from corrosion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the construction of a hydraulic pipelaying installation of an embodiment;
FIG. 2 is a schematic view of the construction of the reclaimed water pipeline in place;
FIG. 3 is a schematic diagram of the working platform of the pipeline in the embodiment;
in the figure: 1. a sleeve; 2. a regenerated water pipeline; 3. a steel bracket; 4. mounting a platform; 5. a water retaining wall; 6. a collar; 7. a water stop ring; 8. a fixed wheel; 9. an overflow aperture; 10. a pipeline work platform; 11. a working pit; 12. a fixed pulley; 13. a hoisting machine.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the installation for laying pipes by water application of the present embodiment comprises a casing 1 and a support member fixed in the casing 1 for fixing pipes, and further comprises a first water-retaining wall 5 installed at an inlet port of the casing 1, and a liquid-containing chamber is formed between the first water-retaining wall 5 and the casing 1; and the first water retaining wall 5 is provided with a through hole for a pipeline to penetrate.
When the water-application pipeline laying facility is used for laying pipelines, after the end part of the pipeline to be laid penetrates through the through hole on the first water retaining wall 5, liquid can be injected into the liquid accommodating chamber. After liquid is injected, the pipeline entering the sleeve 1 is subjected to vertical upward buoyancy, so that acting force required in the pipeline laying process is reduced, the requirements on laying equipment and the operation complexity are reduced, the construction safety and the laying speed are improved, and the pipeline is guaranteed to be laid in place. In addition, since the pipe is driven into the casing 1 after the support member is previously installed, the support member can be prevented from being damaged and deformed; meanwhile, the frictional resistance of the pipeline is reduced under the action of buoyancy, so that the pipeline can be effectively protected from corrosion.
It should be noted that the casing 1 and the conduit are two independent concepts in this embodiment, and the conduit does not include the casing 1 but merely refers to the pipe laid inside the casing 1.
It is worth mentioning that a second water retaining wall 5 may also be disposed at the receiving end port of the sleeve 1, so that the liquid accommodating chamber is formed among the second water retaining wall 5, the sleeve 1 and the first water retaining wall 5. This kind of condition can prevent that the receiving terminal from corresponding 11 interior pondings of working pits, leads to the interior liquid level of sleeve pipe 1 to need to pour into more liquid when setting for the height into. Of course, even if the second water-retaining wall 5 is not provided at the receiving end port of the casing 1, the working pit 11, the first water-retaining wall 5 and the casing 1 can form the liquid-containing chamber therebetween, so that the laying of the pipeline of the present embodiment is not affected.
It should be noted that, since the second retaining wall 5 is disposed at the receiving end of the sleeve 1, and it has no direct relation with the installation of the pipe, there is no need to provide a through hole on the second retaining wall 5.
In order to regulate the liquid level in the liquid receiving chamber, and to prevent the liquid level in the liquid receiving chamber from increasing after the pipe enters the casing 1, it is preferable that the first water-retaining wall 5 is provided with an overflow hole 9 for regulating the liquid level in the casing 1, so that the pipe section keeps a suspended state or a floating state after entering the casing 1.
Obviously, when the pipeline is in a floating or suspended state after entering the casing 1, that is, the buoyancy applied to the pipeline by the liquid in the casing 1 is not less than the gravity of the pipeline entering the casing 1, the external corrosion protection of the pipeline can be optimally protected because there is almost no friction between the pipeline and the support.
In order to maintain the pipe section in a suspended or floating state after entering the casing 1, the liquid level in the liquid receiving chamber needs to be preset. Wherein, the injected liquid is different, and the set liquid level is also different.
Preferably, the liquid injected into the cannula 1 is water. In order to suspend or float the pipe, the buoyancy of the pipe is not less than the gravity of the pipe entering the casing 1, and assuming that the buoyancy of the pipe is equal to the gravity of the pipe entering the casing 1, the buoyancy is determined according to the archimedes formula ρWater (W)gVRow boardWhen mg, V can be obtainedRow board. Where ρ isWater (W)Is the density of water, VRow boardMg is the weight of the regenerated water pipeline 2 in one meter for each pushed water discharge volume of one meter of pipeline, and the weight of each meter is 0.667T for the steel regenerated water pipeline 2 with the diameter of 1200mm as an example. Further, according to VRow boardThe set level value can be found.
It should be noted that, even if the liquid introduced into the casing 1 exerts a buoyancy force on the pipeline that is smaller than the gravity force of the pipeline entering the casing 1, as long as a certain buoyancy force can be exerted on the pipeline, the effect is equivalent to reducing the frictional resistance on the pipeline, so that the pipeline can be laid conveniently.
When the buoyancy applied to the pipeline by the liquid in the casing 1 is smaller than the gravity of the pipeline entering the casing 1, in order to prevent the outer corrosion protection layer of the pipeline from being scratched when contacting with the support member, the outer surface of the pipeline may be coated with the outer corrosion protection layer after the pipeline is installed in place in the casing 1. Of course, in the prior art, the anticorrosion of the outside of the pipeline is generally finished before the pipeline is laid.
Wherein, the water overflowing from the overflow hole 9 can be firstly discharged into a water collecting pit in the working pit 11 and then pumped out of the working pit 11 by a water pump.
It should be noted that, in order to maintain the liquid level, besides the overflow hole 9 is provided on the first retaining wall 5, the overflow hole 9 may be provided on the second retaining wall 5 or the casing 1, or directly assist the water pumping with a water pump, or the like, or a combination of the above methods may be adopted.
In this embodiment, for the mounting of the support member, it is preferable to provide a mounting platform 4 in the casing 1, and fix the rail to the mounting platform 4. Wherein, the mounting platform 4 can adopt a concrete platform formed by pouring C20 concrete, and the track can be pre-buried in the concrete platform. On the basis, the supporting pieces are distributed at intervals along the length direction of the rail. The support is preferably, but not necessarily, a steel bracket 3, which is more common, to facilitate material removal. The steel bracket 3 is dimensioned according to the dimensions of the pipeline to be laid, so that the bearing surface formed by the steel bracket 3 exactly matches the outer surface of the pipeline.
Of course, the installation manner and the specific structure of the supporting member are not limited to those exemplified in the present embodiment as long as the conduit in the casing 1 can be supported and stabilized.
In addition, the first retaining wall 5 and the second retaining wall 5 can be installed from the upper surface of the installation platform 4 upwards, please refer to fig. 1, wherein the first retaining wall 5 is located above the installation platform 4. Alternatively, the first and second retaining walls 5, 5 may be installed outside the installation platform 4 and starting from the inner surface of the casing 1. The height of the first retaining wall 5 is shown in fig. 1, and since the port of the casing 1 is not completely closed, the first retaining wall 5 can be moved in and out of the casing 1 for some basic construction after being installed.
Furthermore, the position of the perforated hole in the first bulkhead 5 of the inlet port is determined according to the laying position of the pipeline, so as to ensure that the pipeline is almost right above the support member after passing through the perforated hole and entering the casing 1. In order to prevent the pipe from colliding with the brace after entering the casing 1, the height of the perforation is preferably designed so that the bottom surface of the pipe entering the casing 1 through the perforation is higher than the support surface of the brace by a predetermined amount.
In order to prevent water leakage between the pipeline and the pipe through hole, a lantern ring 6 is preferably arranged at the pipe through hole, and a water stop ring 7 is preferably arranged in the lantern ring 6. Wherein the collar 6 is preferably, but not necessarily, a steel collar 6 and is pre-fixed in the first bulkhead 5 during installation of the first bulkhead 5. A water stop ring 7 is fixedly mounted along the inner surface of the collar 6.
On this basis, in order to prevent that the pipeline from to the inhomogeneous of the power of applying of water stop ring 7, preferably along 6 ring openings circumference distributions of lantern ring have a plurality of locating parts, and this locating part can guarantee that lantern ring 6, water stop ring 7 and pipeline are concentric all the time to prevent the water stop ring 7 atress uneven that the eccentric drunkenness of pipeline leads to, in order to avoid water stop ring 7 to appear damaging, phenomenon such as leaking. For example, when the pipe moves upward due to buoyancy, if the stopper is not provided, the upper portion of the water stop ring 7 is subjected to a large force, and at this time, damage, water leakage, and the like may occur on the upper portion of the water stop ring 7. Wherein the number of stops is not limited and preferably, but not necessarily, evenly distributed along the circumference of the collar 6.
In this embodiment, the limiting member is preferably a fixed wheel 8 fixed on the first water-retaining wall 5. In this case, when the pipe presses the fixed wheel 8, since rolling friction is generated between the pipe and the fixed wheel 8, the friction force is very small, so that the pipe can be prevented from being scratched.
Further, in order to prevent the pipeline from being scratched, a lubricating slurry is usually coated on the outer wall of the pipeline to reduce the frictional resistance of the water stop ring 7 with the outer side wall of the pipeline and protect the outside of the pipeline from corrosion. In addition, the lubricating slurry also has a sealing function, and can effectively prevent water in the sleeve 1 from flowing outwards.
The water lay method pipeline laying facility of the embodiment can be obtained through the following construction steps:
installing the casing 1 in the working pit 11;
installing a support member in the casing 1;
a first water retaining wall 5 is installed at the inlet end port of the sleeve 1, and a pipe penetrating hole of a pipeline is formed in the first water retaining wall 5 at the inlet end port.
It is worth mentioning that the support member may be installed before the first breakwater 5 is installed, or after the first breakwater 5 is installed, or even during the laying process.
When the pipeline laying is carried out by using the water-lay method pipeline laying facility, the method comprises the following steps:
s1, after a pipe plug is installed at the end of the pipeline, the end of the pipeline penetrates into the sleeve 1 through the pipe penetrating hole so as to seal the pipe penetrating hole;
s2, injecting liquid into the sleeve 1 to apply buoyancy to the pipeline entering the sleeve 1;
s3, pushing or pulling the pipeline into the sleeve 1;
s4, discharging the liquid in the casing 1, so that the pipeline falls on the support and is fixed.
In S1, the end of the pipeline is blocked, so that liquid cannot flow outwards through the pipeline in the process that the pipeline is pushed to the receiving end, and the liquid in the sleeve 1 provides certain buoyancy for the pipeline, thereby providing a dry and safe working space for laying the pipeline. As for the pipe plug installed in the end of the pipeline, the form thereof is not limited as long as plugging can be achieved to prevent water from overflowing. For example, a blind plate may be used as the pipe plug, and the blind plate may be embedded inside the pipe and interference fit with the inner surface of the pipe. Furthermore, the pipe plug can be removed from the receiving end of the casing 1 after the final laying of the pipeline has been completed.
In S3, the pipe is pushed or pulled into the casing 1 by any means disclosed in the prior art. Similarly, in S1, the end of the pipe is inserted into the casing 1 through the perforation hole by the same technique.
When the pipeline to be laid in the casing 1 is divided into a plurality of pipe sections, the pipe section close to the receiving end is gradually moved into the casing 1 until only the tail part of the pipe section is left outside the casing 1, and at the moment, the pipe section and the other pipe section are connected end to end. Aiming at the steel pipe sections, the pipe sections can be connected in a welding mode, and the positions of welding openings are subjected to anti-corrosion treatment.
In S4, after the pipes all enter the casing 1, in order to ensure the pipes are finally and accurately mounted on the supports, the position of the pipes can be adjusted by manual assistance while discharging the liquid in the casing 1. Obviously, under the action of buoyancy, the pipeline can be accurately positioned only by a small amount of manpower. Of course, in ideal conditions, after the liquid has drained from the casing 1, the pipe will automatically fall exactly on the support, so that no manual adjustment is necessary. Wherein, the pump can be adopted to discharge the water in the sleeve 1, and the water in the sleeve 1 can naturally flow out through the opening mode.
After S4, the first water-retaining wall 5 may be optionally removed to obtain a structure in which the reclaimed water pipeline 2 is laid in place as shown in fig. 2.
When the method is applied to laying of the steel recycled water pipeline 2 with the diameter of 1200 mm: firstly, in order to facilitate construction, a pipe section with the standard length of 12m can be cut into 6m each; secondly, aiming at the reclaimed water pipe section, setting the interval of the supporting pieces to be 2.5 m; secondly, in the pipe section laying process, when one fourth of the 6m reclaimed water pipe sections enters the casing 1, water is injected into the casing 1 at the moment; and, when only 1m of the regenerated water pipe section is left outside the casing 1, the subsequent regenerated water pipe section and the current regenerated water pipe section are welded.
To further facilitate the pipeline installation, the present embodiment provides a pipeline working platform 10, please refer to fig. 3. As can be seen in fig. 3, the pipe work platform 10 is arranged outside the inlet end port of the casing 1 to facilitate the laying of subsequent pipes.
On the basis, when the pipeline laying is carried out according to the pipeline working platform 10 and the water laying method pipeline laying facility, the method comprises the following steps:
installing the pipeline working platform 10 outside the inlet port of the casing 1;
placing a pipeline to be laid on the guide wheel pair;
and a power device is adopted to pull the pipeline, so that the pipeline moves on the guide wheel along the set track and enters the sleeve 1.
Wherein, when the power device is the hoist 13, "adopt the power device to pull the pipeline" includes:
arranging the winch 13 above a first end of a pipeline to be laid, and arranging a fixed pulley 12 above a second end of the pipeline;
the cable of the hoist 13 is connected to the first end of the pipe after passing around the fixed sheave 12;
and starting a winch 13 to wind so as to horizontally pull the pipeline to move towards the inside of the sleeve 1.
Referring to fig. 3, the hoist 13 is disposed at the upper right of the pipeline; the fixed pulley 12 is fixed at the upper left of the pipeline, in particular above the inlet end port of the casing 1. In this case, the hoist 13 winds the cable so that the pipe moves horizontally toward the inside of the casing 1 under the traction of the hoist 13. Of course, the winch 13 may be disposed at the upper left of the pipeline, and the fixed pulley 12 may be fixed at the upper right of the pipeline.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. A hydraulic pipelaying installation comprising a casing and a support member fixed within the casing for securing a pipeline, and further comprising a first dam mounted at an inlet port of the casing and forming a liquid receiving chamber between the first dam and the casing; and the first water retaining wall is provided with a pipe penetrating hole for penetrating a pipeline.
2. A water application pipelaying installation according to claim 1, wherein the receiving end port of the sleeve is provided with a second water retaining wall such that the liquid containing chamber is formed between the second water retaining wall, the sleeve and the first water retaining wall.
3. The pipelaying installation according to claim 1 or 2, wherein said first bulkhead is provided with overflow holes for adjusting the level of liquid in said casing, so that the pipe section remains in a suspended or floating state after entering said casing;
or,
when a second water retaining wall is arranged at the port of the receiving end of the sleeve, an overflow hole for adjusting the liquid level in the sleeve is formed in the second water retaining wall, so that the pipe section is kept in a suspended state or a floating state after entering the sleeve.
4. A water application pipelaying installation according to claim 1, wherein a mounting platform is provided within said casing, said support being secured to said mounting platform.
5. A hydropathic pipelaying installation according to claim 4, wherein said support is a steel bracket, said mounting platform having a track disposed thereon coaxially with said sleeve, a plurality of said steel brackets being spaced apart along the length of said track.
6. A water application pipelaying installation according to claim 4, wherein said first waterwall is mounted on said mounting platform.
7. A water application pipelaying installation according to claim 1, wherein a collar is mounted at the through-bore.
8. A hydraulic pipelaying installation according to claim 7, wherein a water stop is mounted within the collar.
9. The waterspreading pipelaying facility of claim 8, wherein the collar is circumferentially provided with a plurality of stops such that a pipe passing into the feedthru bore is concentric with both the collar and the water stop.
10. The water lay pipelaying installation of claim 9 wherein said stop is a fixed wheel fixed to said first bulkhead.
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| CN201611226220.1A CN106764052A (en) | 2016-12-27 | 2016-12-27 | A kind of water applies method pipeline laying facility |
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| CN201611226220.1A CN106764052A (en) | 2016-12-27 | 2016-12-27 | A kind of water applies method pipeline laying facility |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194137A (en) * | 2017-11-22 | 2018-06-22 | 中国市政工程中南设计研究总院有限公司 | A kind of penstock installation method in the straight tunnel of light section |
| CN111119217A (en) * | 2020-01-21 | 2020-05-08 | 天津市管道工程集团有限公司 | Pipeline interface welding space device that blocks water |
| CN112762240A (en) * | 2021-01-25 | 2021-05-07 | 浙江大亚节能科技有限公司 | Detachable wall-penetrating heat insulation sleeve and mounting method thereof |
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| US4616955A (en) * | 1984-10-18 | 1986-10-14 | Bechtel International Corporation | Method and apparatus for encasing pipeline or cable |
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Application publication date: 20170531 |